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Metal Alloys | 7 mins | 0 completed | Learn |
Polyatomic Ions | 15 mins | 0 completed | Learn Summary |
Naming Covalent Compounds | 6 mins | 0 completed | Learn |
Naming Ionic Compounds | 36 mins | 0 completed | Learn |
Naming Acids | 14 mins | 0 completed | Learn |
Empirical Formula | 14 mins | 0 completed | Learn Summary |
Combustion Analysis | 13 mins | 0 completed | Learn |
Mass Percent Formula | 17 mins | 0 completed | Learn Summary |
Balancing Chemical Equations | 8 mins | 0 completed | Learn |
Functional Groups in Chemistry | 13 mins | 0 completed | Learn |
Stoichiometry | 61 mins | 0 completed | Learn Summary |
Additional Practice |
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Ionic and Covalent Bonds |
Molecular Models |
Limiting Reagent |
Percent Yield |
Additional Guides |
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Molecular Formula |
Balancing Chemical Equations Worksheet |
Theoretical Yield |
Limiting Reactant |
Equilin is an estrogen that is commonly used in hormone replacement therapy. A sample of equilin is sent for elemental analysis and is determined to contain 80.546% carbon, 7.510% hydrogen, and 11.943% oxygen. If the molar mass of equilin is 268.34 g/mol, what is the molecular formula for equilin?
a. C20H20O2
b. C18H20O2
c. C9H20O
d. C27H30O3
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